This upgrade revolves around one topic:
The use of the spotinst_ocean_spark resource to manage the cluster state instead of relying on a kubernetes job on the first apply.
To upgrade to v1 please follow the steps bellow:
1- Upgrade spotinst provider to >= 1.89
2- Retrieve from the UI your Ocean Spark Cluster ID
3- Import the resource into your terraform state:
terraform import module.ocean-spark.spotinst_ocean_spark.example osc-abcd1234